CN108845033B - Miniature detection device - Google Patents
Miniature detection device Download PDFInfo
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- CN108845033B CN108845033B CN201810584809.1A CN201810584809A CN108845033B CN 108845033 B CN108845033 B CN 108845033B CN 201810584809 A CN201810584809 A CN 201810584809A CN 108845033 B CN108845033 B CN 108845033B
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- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/04—Analysing solids
Abstract
The invention discloses a miniature detection device, comprising: the system comprises an ultrasonic sensor, a channel switching module, a channel control module, a signal conditioning module, a central processing unit, an abnormality identification module and a fault alarm module; the ultrasonic sensor is used for sending and collecting ultrasonic signals; the channel control module controls the channel switching module to receive the acquired signals and perform screening; the signal conditioning module is used for isolating, filtering and amplifying the screened acquired signals; the central processing unit controls each module and analyzes the processed acquired signals; the abnormality identification module compares the analyzed signal with a comparison signal, judges whether an abnormal condition exists or not, and returns an abnormal state to the central processing unit if the abnormal condition exists; and the central processing unit controls the fault alarm module to alarm after receiving the abnormal state. The miniature detection device realizes the automatic and intelligent detection of the excess materials in the box body.
Description
Technical Field
The invention relates to the field of detection devices. And more particularly, to a miniature probe apparatus.
Background
The box body is used for storing electronic products, and the influence of the surplus objects in the box body is the guarantee that the products can be stored for a long time. The prior art lacks an effective detection means, which causes the service life of the electronic product to be reduced and even abnormally damaged due to the influence of the redundant objects in the box body. With the increase of the variety of electronic products, the increase of the usage amount of the box body and the improvement of the requirement of the electronic products on the storage environment, a standardized detection means becomes an urgent need. Therefore, a miniature detection device for checking the redundant materials in the box body is designed and developed.
At present extensively adopt artifical and mechanical serial inspection's mode, at first make reasonable requirement on the process specification, secondly after electronic product vanning, carry out XYZ direction process vibration, like patent CN102865982A, carry out incomplete inspection to the box inside after the vibration, for the quality of box has left huge hidden danger, only electronic product just probably finds the problem when going out the case use, can't satisfy the electronic product to depositing the more and more harsh requirement of environment.
Disclosure of Invention
The invention aims to provide a miniature detection device for detecting redundancy in a box body, so as to solve the problem that the redundancy in the box body is not detected in place in the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme:
a miniature probe apparatus comprising: the system comprises an ultrasonic sensor, a channel switching module, a channel control module, a signal conditioning module, a central processing unit, an abnormality identification module and a fault alarm module;
the ultrasonic sensor is used for sending and collecting ultrasonic signals;
the channel control module controls the channel switching module to receive the acquired signals and perform screening;
the signal conditioning module is used for isolating, filtering and amplifying the screened acquired signals;
the central processing unit controls each module and analyzes the processed acquired signals;
the abnormality identification module compares the analyzed signal with a comparison signal, judges whether an abnormal condition exists or not, and returns an abnormal state to the central processing unit if the abnormal condition exists;
and the central processing unit controls the fault alarm module to alarm after receiving the abnormal state.
Preferably, the channel switching module comprises a first-level channel switching module, a second-level channel switching module and a third-level channel switching module;
the ultrasonic sensor transmits the acquired signals to the II-level channel switching module for primary screening after passing through the I-level channel switching module, and further rejects distortion and invalid signals after rejecting distortion and invalid signals and finally rejects the distortion and invalid signals after passing through the III-level channel switching module; and finally, acquiring signals and entering a signal conditioning module.
Preferably, the micro detection device further comprises a motion executing mechanism which drives the micro detection device to move under the control of the central processing unit.
Preferably, the micro probe device further comprises a position detection module for detecting a position signal of the probe position.
Preferably, the micro detection device further comprises an image display;
and when the central processing unit receives the abnormal state, the central processing unit controls the image display to display the detected image signal and the specific position of the abnormal state.
Preferably, the micro detection device further comprises a power supply module.
Preferably, the central processing unit is connected with the fault alarm module, the abnormality recognition module, the motion execution mechanism, the position detection module and the image display through an M-LVDS bus respectively.
Preferably, the i-level channel switching module comprises an i-level longitudinal channel switching module, an i-level transverse channel switching module, an i-level forward channel switching module and an i-level lateral channel switching module;
the II-level channel switching module comprises an II-level transverse and longitudinal channel switching module and an II-level tangential channel switching module.
The invention has the following beneficial effects:
compared with the existing detection method, the miniature detection device provided by the invention realizes an automatic and intelligent detection mode, and a sensor detection part is added in the existing detection device, so that the reliability and the universality of the detection method are enhanced, the detection effectiveness and the working efficiency are improved, and meanwhile, the labor cost is greatly saved.
Drawings
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
FIG. 1 is a block diagram of a micro probe device according to a preferred embodiment of the present invention.
Detailed Description
In order to more clearly illustrate the invention, the invention is further described below in connection with preferred embodiments. It is to be understood by persons skilled in the art that the following detailed description is illustrative and not restrictive, and is not to be taken as limiting the scope of the invention.
As shown in fig. 1, the present preferred embodiment provides a micro probe device, including: the device comprises an ultrasonic sensor, a channel switching module, a channel control module, a signal conditioning module, a central processing unit, an abnormality identification module, a fault alarm module, a motion execution mechanism, a position detection module, an image display and a power supply module;
the ultrasonic sensor is used for sending and collecting ultrasonic signals;
the channel control module controls the channel switching module to receive the acquired signals and perform screening;
the signal conditioning module is used for isolating, filtering and amplifying the screened acquired signals;
the central processing unit controls each module and analyzes the processed acquired signals;
the abnormality identification module compares the analyzed signal with a comparison signal, judges whether an abnormal condition exists or not, and returns an abnormal state to the central processing unit if the abnormal condition exists;
the central processing unit controls the fault alarm module to alarm after receiving the abnormal state;
the motion executing mechanism drives the micro detecting device to move under the control of the central processing unit;
the position detection module is used for detecting a position signal of a detection position;
and when the central processing unit receives the abnormal state, the central processing unit controls the image display to display the detected image signal and the specific position of the abnormal state.
The ultrasonic sensors are respectively responsible for sending and collecting ultrasonic signals in four directions of the system; in order to control the number of the collected signal channels and reduce the difficulty of channel switching, a three-stage switching mode is adopted, and the channel switching module comprises a first-stage channel switching module, a second-stage channel switching module and a third-stage channel switching module; i level channel switches the module and further includes I level vertical channel switches the module, I level transversely switches the module to the channel, I level forward direction channel switches the module and I level side direction channel switches the module, is responsible for gathering the sending and the collection of signal, II level channel switches the module and further includes II level horizontal vertical channel switches the module and II level tangent to the channel switches the module, is responsible for gathering the first selection of signal, III level channel switches the module and is responsible for gathering the final selection of signal. The ultrasonic sensor passes acquired signals through the I-level channel switching module and then enters the II-level channel switching module for primary screening, and after distortion and invalid signals are eliminated, authenticity and effectiveness are guaranteed; finally screening by a III-level channel switching module, and further rejecting distortion and invalid signals; and finally, acquiring signals and entering a signal conditioning module. The channel control module is responsible for controlling the three-stage switching module, so that the alternate switching of all ultrasonic signals is realized, the sampling rate of each channel is ensured to be the same, and the acquired signals are accurate; because the analog signal returned by the ultrasonic sensor often contains interference and has low amplitude, the signal conditioning module is responsible for isolating, filtering and amplifying the signal; the central processing unit is used as a core part of the system and is responsible for controlling each functional module and analyzing signals; the power supply module provides power supply requirements for the system; the fault alarm module receives the report of the central processing unit to the abnormal problem and carries out warning treatment; the abnormality identification module is responsible for comparing and processing the analyzed signals and returning the abnormal state to the central processing unit; the motion executing mechanism is responsible for the mechanical motion of the miniature detecting device; the position detection module is responsible for detecting the current position information; the image display is responsible for displaying the detected image signal and the specific location of the abnormal state.
Ultrasonic sensor 1 is connected with I-level longitudinal channel switching module, ultrasonic sensor 2 is connected with I-level transverse channel switching module, ultrasonic sensor 3 and ultrasonic sensor 4 are respectively connected with I-level forward channel switching module and I-level lateral channel switching module, I-level longitudinal channel switching module is respectively connected with ultrasonic sensor 1, channel control module, II-level transverse channel switching module, I-level transverse channel switching module is respectively connected with ultrasonic sensor 2, channel control module, II-level transverse longitudinal channel switching module, I-level forward channel switching module is respectively connected with ultrasonic sensor 3, channel control module, II-level channel forward lateral switching module, I-level lateral channel switching module is respectively connected with ultrasonic sensor 4, channel control module, II-level channel forward lateral switching module, channel control module is respectively connected with I-level longitudinal channel switching module, An I-level transverse channel switching module, an I-level forward channel switching module, an I-level lateral channel switching module, a II-level channel transverse and longitudinal switching module, an II-level channel positive lateral switching module and a III-level channel switching module, wherein the II-level channel transverse and longitudinal switching module is respectively connected with the I-level transverse channel switching module, the I-level longitudinal channel switching module, the III-level channel switching module and a channel control module, the II-level channel positive lateral switching module is respectively connected with the I-level forward channel switching module, the I-level lateral channel switching module, the III-level channel switching module and the channel control module, a signal conditioning module is respectively connected with the III-level channel switching module and a central processing unit, a power supply module is connected with the central processing unit, and the central processing unit is respectively connected with a fault alarm module, an abnormality identification module, a motion execution mechanism, a fault alarm module, the position detection module is connected with the image display.
The micro detection device takes a central processing unit as a core, controls a fault alarm module, an abnormal recognition module, a motion execution mechanism, a position detection module and an image display through an M-LVDS bus, ultrasonic sensors 1-4 distributed around the detection device are responsible for sending and collecting signals, a channel control module is responsible for operating a first-level channel switching module, a second-level channel switching module and a third-level channel switching module to switch channels, the acquired signals are transmitted to a signal conditioning module through the control of the first-level channel switching module, the channel selection of the second-level channel switching module and the channel selection of the third-level channel switching module, the signal conditioning module transmits processed analog signals to the central processing unit to complete the analysis of the signals, the central processing unit controls the abnormal recognition module to complete the comparison of the received signals and normal signals and give abnormal recognition and fault diagnosis, after the abnormal condition is confirmed, the central processing unit sends fault warning information to the fault warning module and displays a detected image on the image display, and the position detection module and the motion execution mechanism cooperate to complete the selection of the advancing track, the avoidance of the obstacle and the confirmation of the detection position and simultaneously realize the detection of no dead angle in the box body. The device can realize the automatic and intelligent detection of the surplus objects in the box body.
In a specific application, the micro-detector of the invention can be applied to the detection of the redundant materials in the sealed box body. The detector is arranged in the box body, the detector is controlled to move in the box body through the central processing unit, ultrasonic waves are emitted, imaging signals of objects in the box body are detected through the ultrasonic elastography principle, the signals are screened through the three-level channel switching module, invalid signals are removed, the signals are isolated, filtered and amplified through the signal conditioning module again, and finally the signals are transmitted to the central processing unit for analysis and processing. The acquired signals are compared with the normal signals through the abnormity identification module, the abnormal conditions are reported to the central processing unit when the abnormal conditions are found, the central processing unit controls the fault alarm module to carry out early warning, meanwhile, the position detection module detects the position signals of the products detected by the miniature detector in real time, and the central processing unit controls the image display to display the detected image signals and the fault position signals. The device can realize the automatic and intelligent detection of the surplus objects in the box body. It will be readily understood by those skilled in the art that the miniature probe of the present invention may also be used in other fields, such as medical applications for detecting stones, construction applications for detecting cracks in steel, etc.
It should be understood that the above-mentioned embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention, and it will be obvious to those skilled in the art that other variations or modifications may be made on the basis of the above description, and all embodiments may not be exhaustive, and all obvious variations or modifications may be included within the scope of the present invention.
Claims (6)
1. A miniature detection device is used for the automatic and intelligent detection of the surplus thing in the box, its characterized in that includes: the system comprises an ultrasonic sensor, a channel switching module, a channel control module, a signal conditioning module, a central processing unit, an abnormality identification module and a fault alarm module;
the ultrasonic sensor is used for sending and collecting ultrasonic signals;
the channel control module controls the channel switching module to receive the acquired signals and perform screening;
the signal conditioning module is used for isolating, filtering and amplifying the screened acquired signals;
the central processing unit controls each module and analyzes the processed acquired signals;
the abnormality identification module compares the analyzed signal with a comparison signal, judges whether an abnormal condition exists or not, and returns an abnormal state to the central processing unit if the abnormal condition exists;
the central processing unit controls the fault alarm module to alarm after receiving the abnormal state,
wherein
The miniature detection device also comprises a motion executing mechanism which drives the miniature detection device to move under the control of the central processing unit;
the miniature detection device also comprises a position detection module used for detecting a position signal of the detection position.
2. The miniature detection device of claim 1 wherein said channel switching module comprises a class i channel switching module, a class ii channel switching module and a class iii channel switching module;
the ultrasonic sensor transmits the acquired signals to the II-level channel switching module for primary screening after passing through the I-level channel switching module, and further rejects distortion and invalid signals after rejecting distortion and invalid signals and finally rejects the distortion and invalid signals after passing through the III-level channel switching module; and finally, acquiring signals and entering a signal conditioning module.
3. The miniature detection device of claim 1, wherein the miniature detection device further comprises an image display;
and when the central processing unit receives the abnormal state, the central processing unit controls the image display to display the detected image signal and the specific position of the abnormal state.
4. The microprobe device of claim 1, further comprising a power module.
5. The miniature detecting device according to claim 3, wherein the central processing unit is connected to the malfunction alerting module, the abnormality identifying module, the motion actuator, the position detecting module and the image display via M-LVDS bus, respectively.
6. The miniature detection device of claim 2, wherein said class i channel switching module comprises a class i longitudinal channel switching module, a class i transverse channel switching module, a class i forward channel switching module, and a class i lateral channel switching module;
the II-level channel switching module comprises an II-level transverse and longitudinal channel switching module and an II-level tangential channel switching module.
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